English vampire comes from German Vampir, in turn from early Old Polish *vąper', in turn from Old Slavic *oper  or old church Slavonic opiri. ". The word Upir as a term for vampire is found for the first time in written form in 1047 in a letter to a Novgorodian prince referring to him as 'Upir Lichyj' (Wicked Vampire). Evidence suggests that an Upir was originally just a sort of psychopomp , a spirit which accompanies the soul of a dead person from the grave to the afterlife

Where do vampire come from?

Tales of Vampires come from nearly ever culture. Lilu were mentioned in early Bablyonian Demonology. These were female demons who roamed in darkness and killed newborn babies and pregnant women. One demon, Lilitu, was adapted into Jewish demonology. She is sometimes called the mother of all vampires. In Egyptian scriptures Sekhmet became full of blood lust after slaughtering humans. Slavic Folklore holds the idea of vampires being afraid of silver and drinking blood. and could be killed by staking the heart.

FolkLaw Beliefs.

Most European vampire myths have Slavic or Romanian origins.

Slavic vampires: were people born on certain days, born with a caul, teetj, or tail, had an irregular death or had improper burial rites. People put crucifix in the coffin, or staked the body. They could be destroyed by decapitation, holy water on the grave or staked .

Romanian Vampires:  Tales of vampires were found in the ancient roman times too. They are similiar to the slavic vampire (hence the countries being so close)They were called strigoi based on the greek term strix. (which meant demon or witch) Some are live witches who will become vampires after death. Strigoi morti (dead vampires) are corpses who drink blood. As in Slavic if someone was born with a caul, tail, died unantural death, died before baptism was doomed to become a vampire as was the 7th child of the same sex in a family also ebing bitten by one meant becoming a vampire. Many graves were open; 3 years after detah of child, 5 after death of young person or 7 after the death of an adult to check for vampirism. To sop a vampire they would stake it and put garlic in it's mouth orshoot a bullet through the coffin.

Roma vampires: Bhut or Pret is the soul of a man was died an untimely detah and wanders the earth attacking the living. In north india the BrahmarakShasa was a vampire like creature that had a head encircled by intestines and a skull that drank blood. Vetala and pishacha were other vampiric creatures. Kali is a deity assosiated with blood drinking who wears a garland of corpses or skulls and has fangs. Mullo (one who is dead) is a vampire legend that says the vamprie comes back to suck the blood of the person that caused their death. Anyone who looked hideous or had missing limbs was said to be a vampire. If someone died unseen he would bcome a vampire or if the corpse swelled before burial. Even pets, animals or ever food was said to become vampiric! There are such things as vampiric watermelons!Some people would hire a Dhampir (son of the vampire) to detect the vampire. Gypsys drove steel or iron nails into the corpses heart and placed stell on the eyes, mouth, ears and between the fingers. They drove hawthorn through the sock or leg of a corpse. Some believe vampires were invisable.

Greek beliefs: They believed the Lamia had the upper body of a woman and the lower body of a serpant and craved blood. Many folklores also feature vrykolakas. (synonymous with vampire)

Aztec mythology: Civataeo was a sort of vampire created when a noblewomen died in childbirth.

Caribbean vampires: called soucoyah take the form of an old woman by day and at night shed their skin to become balls of flame that seek blood. They were obsessive-compulsive. They believed they could kill them by rubbing salt into their discarded skin to burn them upon returning to it.

Indian mythology: They believe a spirit called the vetela is a wraithly vampire that can leave it's host body to feed.

Japan mythology: Kitsune is a vampiric shapeshifting fox spirit. It drains the life force of it's victims by charming them.

Phillipine folklore:  Manananggal was a female vampire whose upper body could seperate from the lower body and could fly using wings. she sucked the blood of fetuses. The Aswang was a female who was beautiful by day and a fearsome flying fiend at night.

Malaysian folklore: the Penanggalan was a vamprie whos head seperated from the body. The Pontianak was a female vampire who sucked the blood of newborn babies, young children and pregnant women.